Is the world's leading geothermal power producer. At The Geysers in northern California, Calpine harnesses naturally heated steam from the earth to create renewable "green" electric power.

Since 1997, Calpine has had a 67% compound annual growth rate in
generating capacity

Has a safety record much better than the industry average

According to a survey reported in 2002 in the New York Times, Calpine ranked as the second-lowest emissions-producer of the 100 largest U.S. power companies. (The leader was later sold, moving Calpine to No. 1.)

Calpine’s natural gas-fired plants produce 95% less nitrogen oxide, 99% less sulfur dioxide, 64% less carbon dioxide, 98% less mercury and 83% less particulate matter than the average U.S. fossil-fuel plant